MESON Chess Problem Database
Problem Display
PID: 221372 (5Q2/qb2R1K1/1N4P1/4p3/r6R/2B1k1p1/8/2N4B w - - 0 1)
Nastran, Janez
Hlas l'udu, 1996
#2
9 + 6
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sc4#
- 2.Qf4#
- 1...Ra2
- 2.Sc4#
- 2.Qf4#
- 1...Ra3
- 2.Sc4#
- 2.Qf4#
- 1...Rc4
- 2.Sxc4#
- 1...Re4
- 2.Qf3#
- 1...Rf4
- 2.Qxf4#
- 1...Ra5
- 2.Sc4#
- 2.Qf4#
- 1...Ra6
- 2.Sc4#
- 2.Qf4#
- 1...Bf3
- 2.Qxf3#
- 1...Bd5
- 2.Sxd5#
- 1...Ba6
- 2.Sd5#
- 2.Qf3#
- 1...Bc8
- 2.Sd5#
- 2.Qf3#
- 1...e4
- 2.Qf3#
- 2.Qf4#
- 1...Ra1
- Tries
- 1.Bc6?
- threat
- 2.Sd5#
- 2.Qf3#
- 1...Qxb6
- 2.Qf3#
- 1...Rxh4
- 2.Qf3#
- 1...Rf4
- 2.Qxf4#
- 1...Qa5
- 2.Qf3#
- 1...Rd4
- 2.Qf3#
- 1...Re4
- 2.Sd5#
- 2.Rxe4#
- 1...Rg4
- 2.Qf3#
- 1...Ra5
- 2.Sc4#
- 2.Re4#
- 2.Qf3#
- 2.Qf4#
- 1...e4
- 2.Sd5#
- 2.Qf4#
- 1...Bxc6!
- threat
- 1.Bxb7?
- threat
- 2.Sd5#
- 2.Qf3#
- 1...Qxb6
- 2.Qf3#
- 1...Rxh4
- 2.Qf3#
- 1...Rf4
- 2.Qxf4#
- 1...Qa5
- 2.Qf3#
- 1...Rd4
- 2.Qf3#
- 1...Re4
- 2.Sd5#
- 2.Rxe4#
- 1...Rg4
- 2.Qf3#
- 1...Ra5
- 2.Sc4#
- 2.Re4#
- 2.Qf3#
- 2.Qf4#
- 1...e4
- 2.Sd5#
- 2.Qf4#
- 1...Qxb7!
- threat
- 1.Rxa4?
- threat
- 2.Sc4#
- 2.Qf4#
- 1...Qxb6
- 2.Qf4#
- 1...Bxh1
- 2.Qf4#
- 1...Bf3
- 2.Qxf3#
- 1...Qa6
- 2.Qf4#
- 1...Bg2
- 2.Qf4#
- 1...Be4
- 2.Sc4#
- 2.Rxe4#
- 1...Bd5
- 2.Sxd5#
- 2.Qf4#
- 1...Ba6
- 2.Sd5#
- 2.Re4#
- 2.Qf3#
- 2.Qf4#
- 1...g2
- 2.Qf4#
- 1...e4
- 2.Sc4#
- 2.Qf3#
- 1...Qxa4!
- threat
- 1.Rb4?
- threat
- 2.Sc4#
- 2.Qf4#
- 1...Qxb6
- 2.Qf4#
- 1...Bxh1
- 2.Qf4#
- 1...Bf3
- 2.Qxf3#
- 1...Qa6
- 2.Qf4#
- 1...Bg2
- 2.Qf4#
- 1...Be4
- 2.Sc4#
- 1...Bd5
- 2.Sxd5#
- 2.Qf4#
- 1...Ba6
- 2.Sd5#
- 2.Qf3#
- 2.Qf4#
- 1...g2
- 2.Qf4#
- 1...e4
- 2.Sc4#
- 2.Qf3#
- 1...Rxb4!
- threat
- 1.Rc4?
- threat
- 2.Qf4#
- 1...Rxc4
- 2.Sxc4#
- 1...Bf3
- 2.Qxf3#
- 1...e4
- 2.Qf3#
- 1...Be4!
- threat
- 1.Re4+?
- 1...Rxe4
- 2.Qf3#
- 1...Bxe4!
- 1...Rxe4
- 1.Rxe5+?
- 1...Re4
- 2.Sc4#
- 2.Qc5#
- 2.Qf3#
- 2.Qf4#
- 1...Be4+!
- 1...Re4
- 1.Bc6?
- Keys
- 1.Bd5!
- threat
- 2.Qf3#
- 1...Bxd5
- 2.Sxd5#
- 1...Rf4
- 2.Qxf4#
- 1...Re4
- 2.Rxe4#
- 1...e4
- 2.Qf4#
- threat
- 1.Bd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(c);N_GUARD::S(E),XR(c)
- R(c);N_SPINP(d),S_CUTB(f)::QAR1(I)
- R(c);N_GUARD::QAB1(I),XR(c)
- B(f);N_GUARD,P_PINR(G)::QAR1(I),XB(f)
- B(f);N_GUARD,P_PINR(G)::S(E),XB(f)
- Tries
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- Q(e);XS(E)::QAR1(I)
- R(c);XR(D)::QAR1(I)
- R(c);N_GUARD::QAB1(I),XR(c)
- Q(e);::QAR1(I)
- R(c);::QAR1(I)
- R(c);P_PINP(F)::QAR1(I)
- Refutation
- B(f);P_PINR(G),XB(B)
- Try
- B(B);XB(f)
- Threat
- DUALS(2)
- Vars
- Q(e);XS(E)::QAR1(I)
- R(c);XR(D)::QAR1(I)
- R(c);N_GUARD::QAB1(I),XR(c)
- Q(e);::QAR1(I)
- R(c);::QAR1(I)
- R(c);P_PINP(F)::QAR1(I)
- Refutation
- Q(e);P_PINR(G),XB(B)
- Try
- R(D);XR(c)
- Threat
- DUALS(2)
- Vars
- Q(e);XS(E)::QAB1(I)
- B(f);P_PINR(G),XB(B)::QAB1(I)
- B(f);N_GUARD,P_PINR(G)::QAR1(I),XB(f)
- Q(e);::QAB1(I)
- B(f);P_PINR(G)::QAB1(I)
- P(b);::QAB1(I)
- Refutation
- Q(e);XR(D)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(e);XS(E)::QAB1(I)
- B(f);P_PINR(G),XB(B)::QAB1(I)
- B(f);N_GUARD,P_PINR(G)::QAR1(I),XB(f)
- Q(e);::QAB1(I)
- B(f);P_PINR(G)::QAB1(I)
- B(f);N_SPINP(d),P_PINR(G)::S(E)
- P(b);::QAB1(I)
- Refutation
- R(c);XR(D)
- Try
- R(D);
- Threat
- QAB1(I)
- Vars
- R(c);XR(D)::S(E),XR(c)
- B(f);N_GUARD,P_PINR(G)::QAR1(I),XB(f)
- P(d);S_CUTB(f)::QAR1(I)
- Refutation
- B(f);N_SPINP(d),P_PINR(G)
- Try
- R(D);CHECK,N_PINP(d)
- Vars
- R(c);XR(D)::QAR1(I)
- Refutation
- B(f);P_PINR(G),XR(D)
- Try
- R(G);CHECK,XP(d)
- Refutation
- B(f);CHECK,P_SPINB(f)
- Try
- Actual
- B(B);
- Threat
- QAR1(I)
- Vars
- B(f);P_PINR(G),XB(B)::S(E),XB(f)
- R(c);N_GUARD::QAB1(I),XR(c)
- R(c);N_GUARD,N_SPINP(d)::R1(D),XR(c)
- P(d);S_CUTR(c)::QAB1(I)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).